Redmi Watch 2
Quick details
Released
October 2021
Dimensions
39.1 x 34.4 x 9.98 mm
Operating system
Customised RTOS
Display 1.6 inches AMOLED
Battery life Up to 12 days
Water resistance 5 ATM
GPS Yes
Sensors accelerometer, gyroscope, compass, heart rate, SpO2, GPS
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Technical specifications
General
Release date 2021-10-28
Product type Smartwatch
Physical size 39.1 x 34.4 x 9.98 mm
Weight 31 g
Material Polycarbonate case
Water resistance 5 ATM
Color options Elegant Black, Space Blue, Ivory White
Display type AMOLED
Display size 1.6 inches
Display resolution 320 x 360 pixels
Display protection Corning Gorilla Glass 3
Battery Rechargeable battery; 230 mAh
Battery life Up to 12 days
Charging Magnetic charging
Sensors
GNSS type Built-in GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS No
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter No
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes (117+ sports modes)
Sleep Yes
Heart rate Yes
HRV No
Stress Yes
Blood oxygen Yes
Respiration rate No
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android 5.0+ and iOS 10.0+
Operating system at launch Customised RTOS
Processor Apollo 3.5
Bluetooth Yes (5.0)
Wi-Fi No
NFC / connected pay Yes (China; NFC for transit/access)
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control Yes
On-board music storage No
Voice assistant XiaoAI (China)
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These technical specs are correct to the best of our knowledge at the time of publishing.
